namespace JSC {
+ enum AccessType {
+ access_get_by_id_self,
+ access_get_by_id_proto,
+ access_get_by_id_chain,
+ access_get_by_id_self_list,
+ access_get_by_id_proto_list,
+ access_put_by_id_transition,
+ access_put_by_id_replace,
+ access_get_by_id,
+ access_put_by_id,
+ access_get_by_id_generic,
+ access_put_by_id_generic,
+ access_get_array_length,
+ access_get_string_length,
+ };
+
struct StructureStubInfo {
- StructureStubInfo(OpcodeID opcodeID)
- : opcodeID(opcodeID)
+ StructureStubInfo(AccessType accessType)
+ : accessType(accessType)
+ , seen(false)
{
}
- void initGetByIdSelf(Structure* baseObjectStructure)
+ void initGetByIdSelf(JSGlobalData& globalData, JSCell* owner, Structure* baseObjectStructure)
{
- opcodeID = op_get_by_id_self;
+ accessType = access_get_by_id_self;
- u.getByIdSelf.baseObjectStructure = baseObjectStructure;
- baseObjectStructure->ref();
+ u.getByIdSelf.baseObjectStructure.set(globalData, owner, baseObjectStructure);
}
- void initGetByIdProto(Structure* baseObjectStructure, Structure* prototypeStructure)
+ void initGetByIdProto(JSGlobalData& globalData, JSCell* owner, Structure* baseObjectStructure, Structure* prototypeStructure)
{
- opcodeID = op_get_by_id_proto;
+ accessType = access_get_by_id_proto;
- u.getByIdProto.baseObjectStructure = baseObjectStructure;
- baseObjectStructure->ref();
-
- u.getByIdProto.prototypeStructure = prototypeStructure;
- prototypeStructure->ref();
+ u.getByIdProto.baseObjectStructure.set(globalData, owner, baseObjectStructure);
+ u.getByIdProto.prototypeStructure.set(globalData, owner, prototypeStructure);
}
- void initGetByIdChain(Structure* baseObjectStructure, StructureChain* chain)
+ void initGetByIdChain(JSGlobalData& globalData, JSCell* owner, Structure* baseObjectStructure, StructureChain* chain)
{
- opcodeID = op_get_by_id_chain;
-
- u.getByIdChain.baseObjectStructure = baseObjectStructure;
- baseObjectStructure->ref();
+ accessType = access_get_by_id_chain;
- u.getByIdChain.chain = chain;
- chain->ref();
+ u.getByIdChain.baseObjectStructure.set(globalData, owner, baseObjectStructure);
+ u.getByIdChain.chain.set(globalData, owner, chain);
}
void initGetByIdSelfList(PolymorphicAccessStructureList* structureList, int listSize)
{
- opcodeID = op_get_by_id_self_list;
+ accessType = access_get_by_id_self_list;
u.getByIdProtoList.structureList = structureList;
u.getByIdProtoList.listSize = listSize;
void initGetByIdProtoList(PolymorphicAccessStructureList* structureList, int listSize)
{
- opcodeID = op_get_by_id_proto_list;
+ accessType = access_get_by_id_proto_list;
u.getByIdProtoList.structureList = structureList;
u.getByIdProtoList.listSize = listSize;
// PutById*
- void initPutByIdTransition(Structure* previousStructure, Structure* structure, StructureChain* chain)
+ void initPutByIdTransition(JSGlobalData& globalData, JSCell* owner, Structure* previousStructure, Structure* structure, StructureChain* chain)
{
- opcodeID = op_put_by_id_transition;
+ accessType = access_put_by_id_transition;
- u.putByIdTransition.previousStructure = previousStructure;
- previousStructure->ref();
-
- u.putByIdTransition.structure = structure;
- structure->ref();
-
- u.putByIdTransition.chain = chain;
- chain->ref();
+ u.putByIdTransition.previousStructure.set(globalData, owner, previousStructure);
+ u.putByIdTransition.structure.set(globalData, owner, structure);
+ u.putByIdTransition.chain.set(globalData, owner, chain);
}
- void initPutByIdReplace(Structure* baseObjectStructure)
+ void initPutByIdReplace(JSGlobalData& globalData, JSCell* owner, Structure* baseObjectStructure)
{
- opcodeID = op_put_by_id_replace;
+ accessType = access_put_by_id_replace;
- u.putByIdReplace.baseObjectStructure = baseObjectStructure;
- baseObjectStructure->ref();
+ u.putByIdReplace.baseObjectStructure.set(globalData, owner, baseObjectStructure);
}
void deref();
+ void visitAggregate(SlotVisitor&);
+
+ bool seenOnce()
+ {
+ return seen;
+ }
+
+ void setSeen()
+ {
+ seen = true;
+ }
+
+ int accessType : 31;
+ int seen : 1;
- OpcodeID opcodeID;
union {
struct {
- Structure* baseObjectStructure;
+ WriteBarrierBase<Structure> baseObjectStructure;
} getByIdSelf;
struct {
- Structure* baseObjectStructure;
- Structure* prototypeStructure;
+ WriteBarrierBase<Structure> baseObjectStructure;
+ WriteBarrierBase<Structure> prototypeStructure;
} getByIdProto;
struct {
- Structure* baseObjectStructure;
- StructureChain* chain;
+ WriteBarrierBase<Structure> baseObjectStructure;
+ WriteBarrierBase<StructureChain> chain;
} getByIdChain;
struct {
PolymorphicAccessStructureList* structureList;
int listSize;
} getByIdProtoList;
struct {
- Structure* previousStructure;
- Structure* structure;
- StructureChain* chain;
+ WriteBarrierBase<Structure> previousStructure;
+ WriteBarrierBase<Structure> structure;
+ WriteBarrierBase<StructureChain> chain;
} putByIdTransition;
struct {
- Structure* baseObjectStructure;
+ WriteBarrierBase<Structure> baseObjectStructure;
} putByIdReplace;
} u;